Mexicans on Monday were asking what happened to about a dozen men who were seen lined up against a wall by apparent drug cartel gunmen toting rifles.
In a video apparently shot by a resident of the town San Jose de Gracia in Michoacan state and posted on social media, bursts of gunfire broke out and smoke covered the scene.
The camera cuts away, but some assumed that all of the men perhaps as many as 17 died.
However, prosecutors on Monday said that they cannot say how many died, because the attackers cleaned up the scene, washed the sidewalk and